ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,555, issued on March 31, was assigned to AMOGREENTECH Co. LTD. (Gimpo-si, South Korea).
"Ceramic substrate with heat sink and manufacturing method thereof" was invented by Jihyung Lee (Cheonan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a ceramic substrate with a heat sink and a manufacturing method thereof. The ceramic substrate comprises: a ceramic substrate including a metal layer on at least one surface of a ceramic base; and a heat sink that is bonded to one surface of the ceramic substrate and has a multi-layer structure that refrigerant enters and exits. The present invention has an integra...